Table 3 Participant Characteristics
| Â | Summary statistics | Sample size (n) |
|---|---|---|
Demographic Variables | Â | Â |
   Age, mean [SD] yr | 46.5 (11.3) | 540 |
   Women, n (%) | 357 (66.1) | 540 |
   Married or living with partner, n (%) | 166 (30.8) | 539 |
   Monthly family income < $1800, n (%) | 327 (60.7) | 539 |
   Education ≥ High school, n (%) | 454 (84.2) | 539 |
   Weight, mean [SD] | 195.5 (52.9) | 539 |
   BMI, mean [SD] | 31.1 (7.9) | 539 |
Psychosocial Variables | Â | Â |
   Depression (CESD-10), mean [SD] | 7.7 (5.2) | 539 |
   Stress (PSS-4), mean [SD] | 5.2 (3.2) | 539 |
Tobacco Related Variables | Â | Â |
   Serum cotinine in ng/ml., mean [SD] | 275.8 (155.8) | 536 |
   Exhaled carbon monoxide in p.p.m., mean [SD] | 16.4 (10.0) | 411 |
   Cigarettes per day, mean [SD] | 8.0 (2.5) | 540 |
   Time to first cigarette, ≤30 minutes, n (%) | 390 (72.2) | 540 |
   FTND, mean [SD] | 3.2 (1.7) | 540 |
   Smoke menthol cigarettes, n (%) | 452 (83.7) | 540 |
   Number of previous 24 hour quit attempts in the past year, mean [SD] | 3.7 (7.7) | 540 |
   Use of pharmacotherapy during the most recent quit attempt, n (%) | 133 (24.2) | 511 |
   Age of first cigarette, mean [SD] yr | 17.6 (5.9) | 538 |
   Age started smoking regularly, mean [SD] | 21.1 (7.1) | 538 |
   Motivation to quit, mean [SD] | 9.7 (0.8) | 540 |
   Confidence to quit, mean [SD] | 7.9 (2.4) | 540 |
   Smoke-free household, n (%) | 132 (24.4) | 540 |